LIST OF WOODCUTS. 



XV 



FIGUBE PAGE 



257. Portion of notochord . 286 

 258-260. Growth of the primi- 

 tive vertebral seriea i© 



embrj^o Chick . . 288 



261. Longitudinal section of 



breast-vertebra . . 290 



262. Transverse section of same 291 



263. Intervertebral disc . . 291 



264. Human skull . . .292 



265. Head skeleton of Primi- 



tive Fish . . .296 



266. Primitive skull of Man . 297 



267. Skeleton of fin of Cei-ato(Zus 302 



268. Skeleton of fin of Acan- 



thias .... 302 



269. Skeleton of fin of Primi- 



tive Fish . . . 302 



270. Skeleton of hand of Frog 302 



271. Skeletonof hand of Gorilla 302 



272. Skeleton of human hand . 302 



273. Skeleton of hand of Mam- 



mal . . . .306 



274. Gastrula of Olynthus . 313 



275. Human stomach , , 317 



276. Gastrula of Amphioxus . 321 



277. Gastrula of Mammal . 321 



278. 279. Human germ with 



yelk-sac and allantois . 324 



280. Intestine of Turhellaria . 327 



281. Intestine of Ascidia . 327 



282. Intestine of ^m_p7iio.rws . 328 



283. Scales of Shark . . 332 



284. 285. Intestine of embryo 



Dog with the intestinal 



glanda .... 334 



286. Intestine with allantois . 338 



287. Intestine of human germ 339 



